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Finding the Third Proportional to 188,532 and 406,584

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Solution

The third proportional to 188,532 and 406,584 is: 876,830.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,532 : 406,584 = 406,584 : x
  2. Step 2: Convert to fraction form
    188,532/406,584 = 406,584/x
  3. Step 3: Cross multiply
    188,532x = 406,584 × 406,584
  4. Step 4: Simplify right side
    188,532x = 165,310,549,056
  5. Step 5: Solve for x
    x = 165,310,549,056/188,532
  6. Step 6: Final answer
    x = 876,830.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.